Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 31 - Nuclear Energy; Effects and Uses of Radiation - Questions: 12


In a fission reaction, the neutron-rich heavy nuclei decay to smaller daughter nuclei, which will emit neutrons to become more stable.

Work Step by Step

As seen in Figure 30-2, relatively lighter nuclei are stable with approximately equal numbers of protons and neutrons. However, heavier nuclei have a higher neutron to proton ratio, which mitigates Coulomb repulsion between the positively-charged protons.
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